[HN Gopher] Fujifilm X RAW STUDIO webapp clone
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       Fujifilm X RAW STUDIO webapp clone
        
       Author : notcodingtoday
       Score  : 140 points
       Date   : 2026-03-19 04:49 UTC (2 days ago)
        
 (HTM) web link (github.com)
 (TXT) w3m dump (github.com)
        
       | notcodingtoday wrote:
       | Wanted to edit camera profiles on Linux, couldn't get the
       | official app to run in Wine, so I built my own
       | https://filmkit.eggrice.soy
       | 
       | I also personally find the original app infuriating to use, takes
       | a lot of click & wait to modify a profile.
        
         | lun3x wrote:
         | This is really cool! I see you've got screenshot of it running
         | on Android, could this ever also work on iOS? I tried in iOS on
         | Chrome, but I just see "WebUSB not supported. Use Chrome, Edge,
         | or Brave.".
        
           | omnimus wrote:
           | Apple doesn't allow any other browser engine than Webkit. So
           | essentially all browsers on iOS are reskinned Safari.
           | 
           | You will have to wait until the WebUSB support lands in
           | Safari.
        
             | wao0uuno wrote:
             | Other browser engines are allowed in EU now.
        
         | StyloBill wrote:
         | What a great project. Amazing work, thank you for shipping
         | this.
        
       | zx8080 wrote:
       | > FilmKit uses WebUSB to connect directly to your camera, your
       | camera's own image processor handles the conversion. FilmKit is a
       | static client-side app, hosted on Github Pages
        
         | tuukkah wrote:
         | Isn't that same as a jpeg then?
         | 
         | Edit: There are some parameters:
         | 
         | > _FilmKit communicates PTP (Picture Transfer Protocol) over
         | USB, the same protocol that X RAW STUDIO uses. The camera does
         | all the heavy lifting: it receives the RAF file and conversion
         | parameters, processes them, and returns a JPEG._
        
           | kybernetyk wrote:
           | >Isn't that same as a jpeg then?
           | 
           | Yeah, but Fuji X cameras are renown for their JPG processing
           | so many people want the in-camera JPG. You could shoot
           | directly to JPG but with an app like that you can later
           | change the JPG profile, etc. while adjusting exposure
           | parameters.
        
           | prmoustache wrote:
           | More like a WebGUI for your camera.
        
       | strogonoff wrote:
       | While file format (RAF, DNG) often is an acronym, "raw" by itself
       | simply references raw image data; it is not an acronym, not a
       | trademark, and does not need all caps.
       | 
       | The mistake of "shouting" _raw_ is perpetuated in the wild even
       | by serious companies, but let's not let Apple degrade our
       | literacy[0]. I'll point to Adobe which does, in fact, use the
       | correct spelling[1].
       | 
       | [0] It is fine when used as part of idiomatic spelling of their
       | product or trademark ("ProRes RAW HQ", etc.), but IIRC their
       | promotional materials and even developer docs do shout it when
       | simply referencing raw image data, which is a little ridiculous.
       | 
       | [1] https://helpx.adobe.com/camera-raw/digital-negative.html
        
         | QuantumNomad_ wrote:
         | Never thought about that. Always wrote it all uppercase because
         | that's what camera maker Canon consistently does from what I've
         | seen.
         | 
         | If I search for _Canon raw_ on Google the Canon owned websites
         | that I see writes it all uppercase; RAW.
         | 
         | One of their pages that I find even makes note of that:
         | 
         | > The letters RAW do not stand for anything - it's just a
         | convention that RAW is usually written in capital letters - and
         | the names of RAW files from Canon cameras do not end in .RAW.
         | 
         | https://www.canon-europe.com/pro/infobank/image-file-types/
        
           | jcelerier wrote:
           | I'd expect a cause is that most camera makers are Japanese,
           | and it's not uncommon in Japan to uppercase words written in
           | Latin alphabet for aesthetic reasons
        
             | strogonoff wrote:
             | Very plausible, I haven't considered it.
             | 
             | Perhaps the combination of that and the old .raw filename
             | extensions on old filesystem implementations where
             | everything appears uppercase (since camera firmware is
             | slower to catch up, this persisted for years even though
             | contemporary OS already had no such limitation) made it
             | stick.
        
           | strogonoff wrote:
           | I can only recommend to consult more trustworthy sources.
        
         | kybernetyk wrote:
         | Funny, I've been shooting digitally since 2007 and I've never
         | seen RAW spelled other than RAW. I guess we've been doing it
         | all wrong :shrug:
        
           | strogonoff wrote:
           | I saw it used both ways. My question about which one is right
           | was answered as soon as I bothered to look up what it is,
           | which I did when I got interested in raw photography.
        
           | embedding-shape wrote:
           | To be fair, it's essentially de facto convention at this
           | point in the ecosystem, regardless of what's "right" or
           | "correct". No one is gonna bat an eye regardless if you write
           | RAW or raw either.
        
           | Forgeties79 wrote:
           | I've been in the film industry since 2010 and yes I see RAW
           | but any camera department will tell you it's just "raw"
           | unless you're talking about a specific raw codec that has
           | "RAW" in the name. The reason no one corrects anyone is that
           | it's such a common thing and it doesn't have any major
           | consequences. "We are shooting raw" vs. "REDCODE RAW" (most
           | people just say "red raw" but just giving full name for
           | clarity).
           | 
           | There's no need to be lowkey rude about it either way.
        
         | justincormack wrote:
         | Its hard to get anyone not to capitalise three letter words and
         | best to just have a longer product name.
        
         | LoganDark wrote:
         | RAW gets all caps the same way TXT, JPG, CMD, SH, BAT, and etc.
         | get all caps. That is, you are also perfectly free to say raw
         | files, text files, JPEG files, command files, shell scripts,
         | and batch scripts, or .txt files, .jpg files, .cmd files, .sh
         | scripts, and .bat scripts, and not everyone uses the same
         | convention (or even consistently a single one).
        
           | Hamuko wrote:
           | I don't really see "SH" being used instead of "sh". JPG and
           | JPEG get the uppercase treatment because it is actually an
           | initialism (Joint Photographic Experts Group) unlike "raw".
        
             | LoganDark wrote:
             | Some are more used than others, and indeed, JPEG is an
             | initialism. My point is the uppercase treatment doesn't
             | depend on initialism, i.e. RAW doesn't have to stand for
             | something to be capitalized because uppercasing file
             | extensions is just a thing that happens.
        
               | sigseg1v wrote:
               | The way I interpreted what they were saying is that they
               | were focused more on the fact that for raw files, the
               | extension is not ".raw", it's ".nef" (for Nikon for
               | example) so that's why it's questionable to capitalize
               | it.
        
         | gyomu wrote:
         | This is one of those "well actuallys" battles that has been
         | lost a long, long time ago my photographic friend.
         | 
         | Yes, "RAW" itself isn't a format like TXT or an acronym like
         | JPEG, but in practice RAW appears alongside other all-caps
         | names like JPG, DNG, TIFF, etc. in menus and documentation and
         | so the industry has mostly converged on writing it RAW for
         | consistency.
         | 
         | Fujifilm writes "RAW": https://fujifilm-
         | dsc.com/en/manual/x100vi/connections/raw/
         | 
         | Nikon writes "RAW":
         | https://onlinemanual.nikonimglib.com/zf/en/raw_processing_59...
         | 
         | Canon writes "RAW":
         | https://www.usa.canon.com/learning/training-articles/trainin...
         | 
         | Leica writes "RAW": https://leica-
         | camera.com/sites/default/files/pm-73002-Leica-...
         | 
         | Even Adobe writes "RAW":
         | https://www.adobe.com/creativecloud/file-types/image/raw.htm...
         | 
         | Descriptively yours,
        
         | giwook wrote:
         | I appreciate the breakdown.
         | 
         | But practically speaking, does it really matter? The goal of
         | language is to communicate, and in this case we all understand
         | what the author is referring to when they reference "RAW".
         | 
         | It's like chastisting someone for saying "Band-Aid" instead of
         | "bandage". One refers to a specific company that makes small
         | adhesive bandages and the other is the thing itself. But we all
         | understand what you mean when you say "band-aid".
         | 
         | And isn't that the point?
        
         | rlt wrote:
         | This is one of those things as a pedantic technologist I've had
         | to accept, like DJs referring to USB thumb drives they store
         | their music on as "USBs".
        
       | karmasimida wrote:
       | The only reliable raw converter that can handle Fuji color is
       | Capture One. But they have collaboration with Fuji, I don't
       | believe that conversion algorithm is open sourced.
       | 
       | But it would be interesting if AI coding agent could potentially
       | reverse engineer the algorithm.
        
         | heipei wrote:
         | Like the native Fujifilm software, this does _not_ do raw
         | conversion itself. It uses the processor in the camera to do
         | the conversion.
        
           | riedel wrote:
           | Smart move of Fujifilm. That will the future of software
           | licencing with AI breaking copyright. Software will come
           | encrypted and only run on secure processors. AI will push us
           | further into an age of cloud, software DRM and software
           | patents. The rest will be effectively public domain.
        
             | tuukkah wrote:
             | AIs will reverse engineer the processing algorithms based
             | on observing a few example inputs and outputs...
        
               | karmasimida wrote:
               | Actually I give it a try ... the results is interesting
               | 
               | I will share it shortly
        
         | strogonoff wrote:
         | I always recommend RawTherapee for serious photography work. In
         | addition to having been (at least originally) written by a
         | complete colour theory geek and featuring a treasure trove of
         | knowledge in the form of its companion RawPedia, it supports a
         | whole host of raw formats, X-Trans RAFs among them (although
         | Foveon X3Fs regrettably still an open issue).
        
           | eloisius wrote:
           | I appreciate RawTherapee too and used it for a long time, but
           | I started to notice that it really can't match DPP for
           | rendering Canon raw images. The denoising is nowhere near as
           | good and it takes a lot of work to make the colors come out
           | as good as DPP which has same processing profiles like
           | "Faithful" that just look great out of the box.
        
             | prmoustache wrote:
             | What is DPP? I find it courteous in a conversation when the
             | full name is provided before the first occurence of an
             | acronym.
             | 
             | I had to look for it and for those who are as puzzled as I
             | found Canon Digital Photo professional (RAW Image
             | Processing, Viewing and Editing Software).
             | 
             | Pentax user here (hobby level), I am not aware of the other
             | brands ecosystems.
        
           | ekianjo wrote:
           | I have one Foveon camera, any hope for Foveon X3Fs support
           | outside of RawTherapee? DarkTable does not process them
           | correctly either
        
         | whatever1 wrote:
         | Doesn't Adobe Lightroom these days also have proper RAW
         | conversion and the Fuji film simulations?
        
           | asdff wrote:
           | Unless something changed in the last 6 months, the answer is
           | no. Their demosaicing algorithm implementation for fuji still
           | lead to the worms. You need to use capture 1 or dcraw/libraw.
        
           | blakblakarak wrote:
           | It works for me - over sharpening produces worms but the
           | denoise alone makes it worth it over Capture One for me.
        
         | kjkjadksj wrote:
         | The implementation used by libraw is just as good. Lightroom on
         | the other hand is trash and wormy.
        
       | heipei wrote:
       | This is amazing, thank you for launching it. I know this webapp
       | itself will make me more likely to look at raw photos on my Fuji
       | once again.
        
       | asah wrote:
       | Worked!! Samsung Galaxy fold 7, Chrome 146.0.7680.153, GFX 100S
       | II firmware 1.20
       | 
       | MacOS 15.6.1 - could see the camera via PTP but couldn't connect
       | (clicking "connect" didn't do anything, no error)
        
       | deanc wrote:
       | This is pretty impressive work.
       | 
       | On a related note, Fuji's simulations being locked to their
       | walled garden has been an issue for third party tools forever.
       | All "replications" of on device are just that. And never
       | comparable.
       | 
       | I think a lot of people would like to study how they work to
       | create true replications.
        
       | enigmaticboom wrote:
       | Love this - had contemplated different setups for getting raw
       | studio running on linux but gave up before even trying. This is
       | exactly what I wanted - a way to play with different recipes, no
       | install required.
       | 
       | It bugs out for my XT30 because the profile is a different
       | format, but claude was able to figure out a tweak to get it
       | running and hide some of the features the XT30 is too old for -
       | will do the wireshark thing from a windows machine at some point.
       | 
       | Thank you!
        
       | pjmlp wrote:
       | A ChromeOS Platform application, rather.
        
       | petee wrote:
       | Great to see more Fuji X attention, their native software isn't
       | great. Looking forward to trying it out with my older X-T20,
       | which appears supported[1] surprisingly
       | 
       | I was about to mention the Fudge[2] app and its underlying
       | library, but its already listed as a reference, nice!
       | 
       | [1] https://www.fujifilm-x.com/en-
       | us/support/compatibility/softw...
       | 
       | [2] https://github.com/petabyt/fudge
        
       | p5v wrote:
       | Interesting, I'll check it out. But just like X RAW studio, I bet
       | that it won't work with my old X-E1.
        
       | wao0uuno wrote:
       | This is amazing. Thank you. Seems to be working just fine with
       | X-H2.
        
       | yewenjie wrote:
       | I have a Fuji X-T5 camera which I haven't really used, and have
       | almost no workflow for.
       | 
       | Could someone explain what this software does?
       | 
       | And I'd also appreciate any software and workflow people use.
       | 
       | Would prefer Linux software, but macOS is okay if the quality/
       | ease of use is too different.
        
         | lwood42 wrote:
         | When taking photo's on the Fuji it stores both RAW and JPG file
         | - the camera's settings (film simulation, exposure, white
         | balance, grain etc.) are all 'baked in' to the JPG. This app
         | (and the official X RAW Studio) allows you to use the camera's
         | onboard processor to modify the RAW files with these settings
         | (or recipes, to use the term adopted by the Fujifilm community)
         | after the fact, and re-export the photo as JPG. It's super
         | useful for figuring out which recipes you prefer for different
         | types of shot!
         | 
         | I'd also recommend checking out Fuji X Weekly [0] for recipe
         | ideas and example shots if you want some inspiration.
         | 
         | [0] https://fujixweekly.com/recipes/
        
       | taquacin wrote:
       | any future support for the GFX cameras?
        
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